(DATAGRAM_CONN_P): Make sure PROC is really a process.

2 files changed, 5 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 040e9ee67a5..35b32cc4fa0 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2002-03-28  Miles Bader  <miles@gnu.org>
+
+        * process.c (DATAGRAM_CONN_P): Make sure PROC is really a process.
+
 2002-03-27  Pavel Jan,Bm(Bk  <Pavel@Janik.cz>
 
         * process.c (set-network-process-options): Add usage.
diff --git a/src/process.c b/src/process.c
index 8f50f100c3c..3742fe23ad2 100644
--- a/src/process.c
+++ b/src/process.c
@@ -307,7 +307,7 @@ struct sockaddr_and_len {
   int len;
 } datagram_address[MAXDESC];
 #define DATAGRAM_CHAN_P(chan)   (datagram_address[chan].sa != 0)
-#define DATAGRAM_CONN_P(proc)   (datagram_address[XPROCESS (proc)->infd].sa != 0)
+#define DATAGRAM_CONN_P(proc)   (PROCESSP (proc) && datagram_address[XPROCESS (proc)->infd].sa != 0)
 #else
 #define DATAGRAM_CHAN_P(chan)   (0)
 #define DATAGRAM_CONN_P(proc)   (0)